GlowShift Black 7 Color 30 PSI Fuel Pressure Gauge Kit - Includes Electronic Sensor - Black Dial - Clear Lens - For Diesel Trucks - 2-1/16" 52mm 2 1/16 Inch (52mm) Black Face Gauge with a Magnified Tinted Lens Fuel Pressure Reading from 0 to 30PSI 7 Solid Color Settings and Two Color Cycle Modes with Dimmer Function that Allows the Gauge to Dim 30% Electronic Fuel Pressure Sensor with 1/8th NPT Male Threads with Mounting Hardware & Installation Instructions Free Lifetime Technical Support & One Year Limited Warranty